Tapered lug torque



May 28, 1940. c. K. woonm TAPERED LUG TORQUE Filed Sept. 17, 19571/6ZUOOClE/Z 7;

ATTORNEY Patented May 28, 1940 UNITED STATES PATENT OFFICE TAPERED LUG:romwn Charles K. Woodin, Newton, Iowa, .asslgnor I:o

l'ho Maytag Company, Newton, Iowa, a 001'- poratlon 01 DelawareApplicatlon September 17, 1937, Serial N0. 164,378

2 Clalms. (GI. 287-53) The present Invention relates to a. torque driveprlses a drive torque or head 5 suitably keyed and more partlcularly toa novel drive and or flxed to the drive shaft as at 6, and a. torquemounting for an gitator for a washing machine. socket or female member 1suitably keyed o1 Among the objects of the present invention is flxed tothe center post 2 by mqans of plus or 5 to provide a novel torqueassembly for driving a. the like 8 und adapted to encompass the drive 6washing machine agitator and including a drive head and interlocktherewith. 'I'his interlocktorque or head and a. torque socket, euchpring is accomp'lished by means of relatively short vided with aplurality of spaced lugs and slots tapered lugs 9 und. Intermediategrooves er chanor channels so related and arranged as I;o lnternels II)onthe drive head und complementary 10 mesh and form a drivlng connectionbetween the ribs II and cha.nnels I2 on the inner periphery 10 removableagitator und drive shaft. of the torque Socket. This constructlonpermits A further object of the invention is the proa. ready removaland/or replacement of the agivision of torque construction having a driving tator to permit the operator to remove and clean member mounted onthe end. of a shaft such as the "gltator and the tub positionedtherebelow.

the dxive shaft of a. washing machine, and a In ordertoadjust thedriving parts to compen- 15 complementary driven member mounted on thesate for any wear or play, the cap 3 is provided. object to be driven,such as an agitator which is with a truss head holt I3 adjustable in asleeve removably mounted upon the drive shaft, these nut I4 with I:helower I:hreaded end of the holt complementary members having taperedlugsand re ceived in a threaded reces s I5 in the upper slots or groovestherebetween so co'nstructed and face or end of the drive torque or head5. A 20 d s d as to en a e and t rl and reby removal or unscrewing ofthe truss head holt I3 form a fi d v connectivn f r ti or from the drivehead 5 permits a. ready removal oscillating the agitator from the driveshaft. er replaqement of the agitator, and when this F r her jadvantages. capabilities nd holt is screwed downwardly the complementaryChanges p e e e a d Will be app drive lugs and. ribs and their groovesare moved 25 from the detailed description and disclosure in i t tighbcontact, thereby eliminating a.ny knock he dr w n re l h n in the devior looseness in the fit of these parts. T0 permit In the drawing: suchadjustment a space I6 is provided inter- Figllre 1 iS a p P VieW 0f theCenter DOSIF media.te the top of the d1:ive head am]. the upper f an aitat r for a wash ng ma qu pp end of the drlve shafl; Iwhich permits thetorque 30 with the novel invention. socket und the agitator center post;130 be adjust- 2 iS a fragmentflry vieW in Vertical CYOSS- ed downwardlyor until the lower face of the ribs section taken 011 the line 22 0fFi 1. II ahnt the shoulder I'I formed at the lower FIg. 3 is a. view inhorizontal cross-section portion of th torque drive or head 5. t e 0 theline 33 015 Fig. It will be clearly evident from the above de- 35 Fig. 4S 8 0D P View 0f Iihe drive t0rqlle scription and the disclosure in thedrawing that or head. the novel inventlon comprehends a torque driveFig. 5 is a view in vertical cross-section of the construction hi h 1simple in Operation and drive t0rque head takel1 0n Iihe line 05adjustmentand which permits a ready removal 40 Fig. 4. of the agitatorfor cleaning or replaement as 40 6 iS 8 viewsimllar Fig 5 but taken wellas a cleaning cf the spa.ce below the agitathe line 4 tor. This removalis accomplished by a mere Fig. 7 is a view in vertical qross-sectiqn ofthe unscrewing of the knurled cap 3 which carries torque Socket takenthe lrregular hne 77 with II: the holt I3 and sleeve nut I4 through mthe squared shank I8 of the holt. By reason of 8 bottom elgvational viewthe torque the short tapered lug construction, the drive head Socket ortorque drive and socket is Provided With fewer articularl I:o thedisclosure in t ifj c i l iaarl' r ig tl l e novel cnstruction 01 theand more ng1d engagmg Parts than wem splines he employta ere l tor ue 1sshownembodxed m a washemployed Furthermore, in t in g m2cl?ii1e ir?which the numeral I refers 130 ment these fewer und engaging Parts theagitator drive shaft, upon which is remova.bly f iS great r Sllrlace 0ntct between the mounted an agitator having a center post 2 and dr v adr1ven 8 fi ts ti 18 S Wem a cap 3 provided with peripheral knurls l. onthese parts.

'I'he novel embodiment 01 the lug torque com- Having thus dlsclosed theinvention. I claim: 55

1. In a drive tnrque constructlon for osclllat Ing the agitator centerpost 01 a washlngmachine from the drive shaft, a drive torque mounbed011 the end of the sha.ft und provlded with an outwardly projectingshoulder a.t its lower end and a plurality o1 spaced tapered 1\18s undchannels therebetween extending upwardly from the shoulder t;o a pointlntermediate the upper and lo wer ends 01 the drive torque, and a torquesocket secured. to the center post and provided with complementarytapered ribs and channels adapted to engage the lugs and channels, withthe socket having a. driving coutact normally spaced from the shoulderof the drive torque to form an adjustable mountlng und. drive connectionfor taking up wem between the drive shaft and agltator center post undproviding for adjustment of the torque socket untiI the lower edge ofthe lugs abuts said shoulder, and means for adjustably connecting thesocket and center post; to the drive torque.

2. A drive torque constructlon for connecting and oscillating theagltator center post 01 a washlng machine from the drive shatt. compris-Ing a male torque head on the drive shaft; and a. female torque socketon the center post, an autwardly projecting shoulder and tapered drlvinglugs and channels on the torque head .provided adjacent its lower endund complementary tapered rlbs and channels on the torque socket adaptedto lntermesh with the lugs and channels, with the socket having a.drivlng contact normally spaced from the shoulder on the torque head toform an adjustable driving connection for ta.king up wear, and athreaded member carried by the center post adapted to adjustably.

CHARLES K. WOODIN.

Patent N0. 2,202679.

GERTIFICATE 0F GORREGTION.

Ilay 2a, 19h0.

. CHARLES K. 'WOODIN It is hereby c'ertified that e rror appears in theprinted specification cf the above npx'nbered patent requiringcorrection a.s follows: Pe.ge 2, second clumn, line 15, claim 2, forthewor l "soekets" nead --socket-- und. that the said. Letters Patentahould be read with this correctioh therein that the same mhy cor 1fomto the record. of th e cas e in the Patent Office.

Signed -and sea.led this 501111 day of July, A. .1). 19140.

Hehry Van Arsdal (Saal) Acting Commissioner of Patents.

